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All results from a given calculation for HN=C=C(CN)2 (Dicyanoketenimine)

using model chemistry: CISD/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/6-311+G(3df,2p)
 hartrees
Energy at 0K-316.348590
Energy at 298.15K 
HF Energy-315.431392
Nuclear repulsion energy214.581856
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CISD/6-311+G(3df,2p)
Rotational Constants (cm-1) from geometry optimized at CISD/6-311+G(3df,2p)
ABC
0.09624 0.09517 0.04802

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.002 -0.057 0.000
C2 -0.002 1.268 0.000
N3 0.108 2.446 0.000
C4 -0.002 -0.758 1.240
C5 -0.002 -0.758 -1.240
N6 -0.002 -1.312 2.233
N7 -0.002 -1.312 -2.233
H8 -0.675 3.075 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.32452.50561.42411.42412.56162.56163.2032
C21.32451.18382.37472.37473.41183.41181.9286
N32.50561.18383.43743.43744.37304.37301.0040
C41.42412.37473.43742.47941.13743.51664.0841
C51.42412.37473.43742.47943.51661.13744.0841
N62.56163.41184.37301.13743.51664.46594.9683
N72.56163.41184.37303.51661.13744.46594.9683
H83.20321.92861.00404.08414.08414.96834.9683

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 174.681 C1 C4 N6 179.673
C1 C5 N7 179.673 C2 C1 C4 119.486
C2 C1 C5 119.486 C2 N3 H8 123.439
C4 C1 C5 121.027
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability